Describe and define the topic you have selected (including citation and source information)
explain how that type of forensic evidence can be applied in an investigative (what types of crimes it is associated with, how does it move an investigation forward)
discuss any strengths or weaknesses in that type of forensic evidence (is it hard to collect? how difficult is it to get analyzed? how conclusive is it?)
For example, if you have multiple shooting incidents where casings are recovered ballistic evidence can be useful in connecting crime scenes together, but without a recovered firearm, eyewitnesses accounts video of the crime, etc – how useful is that ballistic information? Plus, how easy is it to get that evidence to the right location to get it analyzed and compared? etc.